Earth may be decades away from a climatic tipping point that triggers runaway global warming and threatens the future of humanity, scientists have warned.

CLIMATE change poses a greater risk to the world than was previously thought as global warming advances at an unsustainable rate, a report warned yesterday.

EVIDENCE is growing that global warming is already starting to disrupt the world’s delicately-balanced climate system and the damage will reverberate for generations, a top science conference was told yesterday.